SWStonkWhisper

PUBM Dark Pool Activity

ATS off-exchange volume intelligence · Week of 2026-07-06

DP Shares
325.3K
Notional Value
$4.3M
WoW Change
-28.2%

PUBM dark pool volume for the week of 2026-07-06: 325.3K shares traded across 23 ATS venues with a total notional value of $4.3M. Volume is down 28.2% week-over-week. Primary routing venues include , MS TRAJECTORY CROSS (ATS-1), INTELLIGENT CROSS LLC.

Dark pool activity in PUBM reflects institutional order flow executing on Alternative Trading Systems (ATS) registered with the SEC — private venues where large-block trades are matched away from public exchanges to minimize price impact. StonkWhisper ingests FINRA-published ATS volume data to track these off-exchange flows. Sustained elevation in dark pool percentage — particularly when concentrated at specific venues — can indicate institutional accumulation or distribution ahead of significant price moves. The interactive charts below show 12-week historical volume and complete venue breakdown for PUBM.

DP Shares
325.3K
Notional
$4.3M
DP % of Vol
WoW Change
-28.2%
Venues
23
Weekly Dark Pool Volume — 12 Weeks

Weekly History

WeekSharesDP %WoW
2026-07-06325.3K-28.2%
2026-06-29452.8K+12.6%
2026-06-22402.2K+29.4%
2026-06-15310.9K-38.8%
2026-06-08508.0K-20.9%
2026-06-01642.3K+24.7%
2026-05-25515.1K+17.8%
2026-05-18437.4K-46.3%
2026-05-11814.5K+19.5%
2026-05-04681.7K+45.8%
2026-04-27467.6K
2026-03-23983.1K+124.4%

ATS Venue Breakdown (latest week)

325.3K
14.8K trades
MSTX
MS TRAJECTORY CROSS (ATS-1)
98.9K
5.1K trades
INCR
INTELLIGENT CROSS LLC
51.6K
3.1K trades
UBSA
UBS ATS
28.9K
1.3K trades
MSPL
MS POOL (ATS-4)
22.6K
154 trades
SGMT
SIGMA X2
21.3K
1.0K trades
EBXL
LEVEL ATS
19.4K
1.5K trades
JPBX
JPB-X
18.3K
284 trades
MLIX
INSTINCT X
14.6K
672 trades
CGXS
ONECHRONOS
11.1K
360 trades
JPMX
JPM-X
6.8K
96 trades
BIDS
BIDS ATS
6.8K
16 trades
XSTM
CROSSSTREAM
4.5K
99 trades
IATS
IBKR ATS
3.5K
19 trades
KCGM
VIRTU MATCHIT ATS
3.3K
137 trades
LATS
THE BARCLAYS ATS
3.1K
105 trades
PURE
PURESTREAM
2.4K
655 trades
BNPX
BNPP CORTEX ATS
2.0K
81 trades
ICBX
CBX
2.0K
63 trades
ONEC
CITI-ONE ATS
1.8K
20 trades
MSRP
MS RPOOL (ATS-6)
1.1K
36 trades
ITGP
POSIT
598
15 trades
ALPX
ALPHAX US
417
16 trades
LQNA
LIQUIDNET H2O ATS
222
7 trades